VTK  9.1.0
vtkFreeTypeLabelRenderStrategy.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkFreeTypeLabelRenderStrategy.h
5
6 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7 All rights reserved.
8 See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9
10 This software is distributed WITHOUT ANY WARRANTY; without even
11 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12 PURPOSE. See the above copyright notice for more information.
13
14=========================================================================*/
24#ifndef vtkFreeTypeLabelRenderStrategy_h
25#define vtkFreeTypeLabelRenderStrategy_h
26
28#include "vtkRenderingLabelModule.h" // For export macro
29
30class vtkActor2D;
31class vtkTextRenderer;
32class vtkTextMapper;
33
34class VTKRENDERINGLABEL_EXPORT vtkFreeTypeLabelRenderStrategy : public vtkLabelRenderStrategy
35{
36public:
37 void PrintSelf(ostream& os, vtkIndent indent) override;
40
44 bool SupportsRotation() override { return false; }
45
49 bool SupportsBoundedSize() override { return false; }
50
54 void ComputeLabelBounds(vtkTextProperty* tprop, vtkStdString label, double bds[4]) override
55 {
56 this->Superclass::ComputeLabelBounds(tprop, label, bds);
57 }
58 void ComputeLabelBounds(vtkTextProperty* tprop, vtkUnicodeString label, double bds[4]) override;
59
64 void RenderLabel(int x[2], vtkTextProperty* tprop, vtkStdString label) override
65 {
66 this->Superclass::RenderLabel(x, tprop, label);
67 }
68 void RenderLabel(int x[2], vtkTextProperty* tprop, vtkStdString label, int width) override
69 {
70 this->Superclass::RenderLabel(x, tprop, label, width);
71 }
72 void RenderLabel(int x[2], vtkTextProperty* tprop, vtkUnicodeString label) override;
73 using Superclass::RenderLabel;
74
80 void ReleaseGraphicsResources(vtkWindow* window) override;
81
82protected:
85
89
90private:
92 void operator=(const vtkFreeTypeLabelRenderStrategy&) = delete;
93};
94
95#endif
a actor that draws 2D data
Definition: vtkActor2D.h:40
bool SupportsBoundedSize() override
The free type render strategy currently does not support bounded size labels.
bool SupportsRotation() override
The free type render strategy currently does not support rotation.
void RenderLabel(int x[2], vtkTextProperty *tprop, vtkStdString label, int width) override
static vtkFreeTypeLabelRenderStrategy * New()
void RenderLabel(int x[2], vtkTextProperty *tprop, vtkUnicodeString label) override
void ReleaseGraphicsResources(vtkWindow *window) override
Release any graphics resources that are being consumed by this strategy.
~vtkFreeTypeLabelRenderStrategy() override
void RenderLabel(int x[2], vtkTextProperty *tprop, vtkStdString label) override
Render a label at a location in world coordinates.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
void ComputeLabelBounds(vtkTextProperty *tprop, vtkUnicodeString label, double bds[4]) override
void ComputeLabelBounds(vtkTextProperty *tprop, vtkStdString label, double bds[4]) override
Compute the bounds of a label.
a simple class to control print indentation
Definition: vtkIndent.h:34
Superclass for label rendering implementations.
Wrapper around std::string to keep symbols short.
Definition: vtkStdString.h:36
2D text annotation
Definition: vtkTextMapper.h:48
represent text properties.
Interface for generating images and path data from string data, using multiple backends.
String class that stores Unicode text.
window superclass for vtkRenderWindow
Definition: vtkWindow.h:39